/**
 * Copyright (C) 2010 Cloudfarming <info@cloudfarming.nl>
 *
 * Licensed under the Eclipse Public License - v 1.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.eclipse.org/legal/epl-v10.html
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package nl.cloudfarming.sensor.model.impl;

import java.util.HashMap;
import java.util.Map;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;

/**
 * Provides the same entitymaneger to all
 *
 * @author Timon Veenstra
 */
public class EntityManagerContainer {

    private static EntityManagerContainer instance;
    
     private EntityManager em;

    private EntityManagerContainer() {
        EntityManagerFactory emFactory = Persistence.createEntityManagerFactory("nl-cloudfarming-sensor-cropcircle");
        this.em = emFactory.createEntityManager();
    }

    public static EntityManagerContainer getInstance(){
        if (instance == null){
            instance = new EntityManagerContainer();
        }
        return instance;
    }

    public EntityManager getEntityManager(){
        return this.em;
    }



}
